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Finding the Fourth Proportional to 108,408.36, 162,519.10 and 41,895.16

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Solution

The fourth proportional to 108,408.36, 162,519.10 and 41,895.16 is: 62,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,408.36 : 162,519.10 = 41,895.16 : x
  2. Step 2: Convert to fraction form
    108,408.36/162,519.10 = 41,895.16/x
  3. Step 3: Cross multiply
    108,408.36x = 162,519.10 × 41,895.16
  4. Step 4: Simplify right side
    108,408.36x = 6,808,763,697.56
  5. Step 5: Solve for x
    x = 6,808,763,697.56/108,408.36
  6. Step 6: Final answer
    x = 62,806.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.